package com.lqk.bio;

import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class BIOServer {

    public static void main(String[] args) throws Exception {
        // 线程池机制

        // 思路
        // 1 创建一个线程池
        ExecutorService newCachedThreadPool = Executors.newCachedThreadPool();
        //创建ServerSocket
        ServerSocket serverSocket = new ServerSocket(6666);
        System.out.println("服务器启动了。。。。");
        while (true){
            // 监听，等待客户端连接
            final Socket socket = serverSocket.accept();
            System.out.println("连接到一个客户端。。。。");
            // 2 如果有客户端连接了就创建一个线程，与之通讯（单独写一个方法）
            newCachedThreadPool.execute(new Runnable() {
                @Override
                public void run() { // 重写run方法
                    // 与客户端通信
                    handler(socket);
                }
            });
        }

    }

    public static void handler(Socket socket){
        try {
            System.out.println("线程信息 id="+Thread.currentThread().getId()+" 名字="+Thread.currentThread().getName());
            byte[] bytes = new byte[1024];
            // 通过一个Socket 获取输入流
            InputStream inputStream = socket.getInputStream();
            // 循环的读取客户端发送的数据
            while (true){
                int read = inputStream.read(bytes);
                if (read != -1){
                    // 输出客户端发送的数据
                    System.out.println(new String(bytes,0,read));
                }else {
                    break;
                }
            }

        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            System.out.println("关闭和client的连接");
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
